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This patch removes the libmxml integration in libnftnl, since we have
JSON in place and there is no need to support two at the same time.
The JSON support is much better, for example libjansson has a better
parsing error reporting.
Moreover, libmxml 2.10 breaks the integration with libnftnl somehow,
as reported in Debian bug #83870 [0].
Also, the XML support inside libnftnl has never been in good shape, with
several tiny inconsitencies.
[0] https://bugs.debian.org/838370
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch includes changes to adapt this branch to the library
rename that happened in the master branch.
Conflicts:
src/Makefile.am
src/expr/cmp.c
src/expr/ct.c
src/expr/data_reg.c
src/expr/meta.c
tests/jsonfiles/01-table.json
tests/jsonfiles/02-table.json
tests/jsonfiles/64-ruleset.json
tests/xmlfiles/01-table.xml
tests/xmlfiles/02-table.xml
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All testfiles are now enclosed in the corresponding top element, ie.
* XML: <nftables>...</nftables>
* JSON: {"nftables":[...]}
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Parsing tests were failing because a missing 'use' attribute in tables.
validating xmlfiles/02-table.xml: FAILED
from file: 0</flags></table>
f
from snprintf: 0</flags><use>0</use
^
[...]
validating jsonfiles/64-ruleset.json: FAILED
from file: ,"flags":0}},{"chain
from snprintf: ,"flags":0,"use":0}}
^
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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These XML files are intented to be used for automated tests. Thus, it's
important to have exactly the same output that was generated by the library.
The beautified output does not match the real output that the library provides
and it just makes things harder for us to provide a more advanced automated
testing.
If you want to make any of those file human readable, please use:
xmllint --format file.xml
or open the xml file and any browser, eg. firefox.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch changes some XML nodes with prefixes, as the example below
ilustrates.
Before:
<rule>
<rule_flags/>
<rule_family/>
<rule>
After:
<rule>
<flags>
<family>
</rule>
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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When working with XML, it's desirable to work with nodes better than
attributes.
Table/chain/rules had attributes in their XML representation, and
this patch transform those to nodes, ie:
Before:
<table name="filter">
<family>ip</family>
<table_flags>0</table_flags>
</table>
After:
<table>
<name>filter</name>
<family>ip</family>
<table_flags>0</table_flags>
</table>
While at it:
* There was a lot of redundant code that is now collapsed with the
new nft_mxml_family_parse() helper function.
* I've added a small fix: additional validation for the name of
the current XML object, and also replace raw strtol calls to nft_strtoi.
* Also, all XML testfiles are updated to keep passing the parsing tests and
mantain the repo in consisten state.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch deletes the <properties> node in chain and table XML objects.
For this to work, the first tree search with MXML_DESCEND_FIRST flag is moved
to the next node.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch removes the version XML node and the version JSON field
in all our existing objects. The current versioning approach
consists of adding a version field to every object representation
in XML and JSON. While listing my entire rule-set, one can notice
that this approach is too bloated.
Once the library enters stable stage, if we need to obsolete a XML
node and a JSON field, we can follow this procedure:
1) Remove the XML node and the JSON field from the output, so fresh
outputs will not contain the old ones anymore.
2) Do not remove the parsing of the old XML node and the JSON field
inmediately. We have to keep supporting the parsing for a while
to avoid breaking the interpretion of old XML/JSON files. We can
spot a warning to warn about it, so users generate a fresh
output again.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This patch add a testbench for XML parsing, which may be extended
to test JSON as well.
To use it:
$ cd test/
$ make nft-parsing-test
$ ./nft-parsing-test xmlfiles/
This testbench supersedes old .sh test scripts, so they are deleted.
[ I have mangled this patch to rename/mangle files, to colorize the
test output and not to compile XML inconditionally --pablo ]
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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